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1/4×3.125+7/8×25%+1/4
=1/4×(3又1/8+7/8+1)
=1/4×5
=1.25
1.32×78%+1.32×22%
=1.32×(78%+22%)
=1.32×1
=1.32
0.6×6/25+60%×4/25+3/5×1/5
=0.6×(6/25+4/25+1/5)
=0.6×3/5
=0.36
0.5×3+1/2×5+50%×2
=0.5×(3+5+2)
=0.5×10
=5
=1/4×(3又1/8+7/8+1)
=1/4×5
=1.25
1.32×78%+1.32×22%
=1.32×(78%+22%)
=1.32×1
=1.32
0.6×6/25+60%×4/25+3/5×1/5
=0.6×(6/25+4/25+1/5)
=0.6×3/5
=0.36
0.5×3+1/2×5+50%×2
=0.5×(3+5+2)
=0.5×10
=5
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